Measuring instrument



FIG. 1 is an oblique perspective view of the top, left and rear of the measuring instrument;

FIG. 2 is a top plan view of the measuring instrument;

FIG. 3 is a bottom plan view of the measuring instrument;

FIG. 4 is a left side elevational view of the measuring instrument;

FIG. 5 is a right side elevational view of the measuring instrument;

FIG. 6 is a rear elevational view of the measuring instrument; and,

FIG. 7 is a front elevational view of the measuring instrument. 

The ornamental design for a measuring instrument, as shown. 